The marketing and service network of Sichuan Tongzhou Chemical Technology Co., Ltd. covers first-tier cities across the country, covering provincial and municipal markets in the southwest and northwest regions, and entered the international market in 2013. In all levels of markets, we can provide users with fast and high-quality services, from the beginning to the end to meet the needs of customers for our highest goal of serving, and take the realization of every promise to customers as our sacred duty and driving force for development.